Shanghai Kaytune Industrial Co.,Ltd (SZSE:301001) shareholders are no doubt pleased to see that the share price has bounced 29% in the last month, although it is still struggling to make up recently lost ground. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 19% over that time.

After such a large jump in price, given close to half the companies operating in China's Multiline Retail industry have price-to-sales ratios (or "P/S") below 1.6x, you may consider Shanghai Kaytune IndustrialLtd as a stock to potentially avoid with its 2.2x P/S ratio. However, the P/S might be high for a reason and it requires further investigation to determine if it's justified.

What Does Shanghai Kaytune IndustrialLtd's Recent Performance Look Like?

As an illustration, revenue has deteriorated at Shanghai Kaytune IndustrialLtd over the last year, which is not ideal at all. Perhaps the market believes the company can do enough to outperform the rest of the industry in the near future, which is keeping the P/S ratio high. If not, then existing shareholders may be quite nervous about the viability of the share price.

What Are Revenue Growth Metrics Telling Us About The High P/S?

There's an inherent assumption that a company should outperform the industry for P/S ratios like Shanghai Kaytune IndustrialLtd's to be considered reasonable.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 6.6%. This means it has also seen a slide in revenue over the longer-term as revenue is down 8.4% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

Comparing that to the industry, which is predicted to deliver 24% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

With this information, we find it concerning that Shanghai Kaytune IndustrialLtd is trading at a P/S higher than the industry. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. There's a very good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with the recent negative growth rates.

The Bottom Line On Shanghai Kaytune IndustrialLtd's P/S

Shanghai Kaytune IndustrialLtd's P/S is on the rise since its shares have risen strongly. Using the price-to-sales ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

We've established that Shanghai Kaytune IndustrialLtd currently trades on a much higher than expected P/S since its recent revenues have been in decline over the medium-term. When we see revenue heading backwards and underperforming the industry forecasts, we feel the possibility of the share price declining is very real, bringing the P/S back into the realm of reasonability. Unless the recent medium-term conditions improve markedly, investors will have a hard time accepting the share price as fair value.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 4 warning signs with Shanghai Kaytune IndustrialLtd (at least 3 which are a bit concerning), and understanding them should be part of your investment process.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.